Mentha spicata agg
- Photographs and information on Spearmint and Applemint.
- http://www.plant-identification.co.uk/skye/labiatae/mentha-spicata-agg.htm

Mentha aquatica
- Description of Water Mint and two photographs.
- http://www.plant-identification.co.uk/skye/labiatae/mentha-aquatica.htm

Mentha arvensis
- Two photographs of Corn Mint and some identifying features.
- http://www.plant-identification.co.uk/skye/labiatae/mentha-arvensis.htm

Mentha x piperita
- Description of Peppermint and two photographs.
- http://www.plant-identification.co.uk/skye/labiatae/mentha-x-piperita.htm

Mentha pulegium
- Photograph and information on Pennyroyal, which has a strong peppermint smell, its uses and legendary history.
- http://www.englishplants.co.uk/store/scripts/prodview.asp?idproduct=279

Pennyroyal: Mentha pulegium
- Information on this species and the uses to which it is put.
- http://www.hort.purdue.edu/newcrop/med-aro/factsheets/PENNYROYAL.html

Plant Profile for Mentha pulegium
- Horticultural data and distribution of Mentha pulegium.
- http://plants.usda.gov/java/profile?symbol=MEPU

Mentha gracilis
- photo
- http://aoki2.si.gunma-u.ac.jp/BotanicalGarden/PICTs/Mentha-gracilis.jpeg

Mentha haplocalyx
- photo
- http://biotech.tipo.gov.tw/plantjpg/2/Mentha%20haplocalyx%20Briquet.jpg

Mentha longifolia
- Description, uses, propagation, distribution, and references.
- http://www.plantzafrica.com/plantklm/mentlong.htm

Mentha dimenica
- Image of flowers of this plant.
- http://www.anbg.gov.au/gnp/gnp11/mentha-diemenica500.jpg

Mentha arvensis page
- Photo, description and horticultural data for Mentha arvensis
- http://www.missouriplants.com/Blueopp/Mentha_arvensis_page.html

Mentha spicata
- Photos of spearmint at Henry W. Coe State Park, California.
- http://www.coestatepark.com/mentha_spicata.htm

Mentha arvensis American Wild Mint
- Description, photograph (from the state of Washington), habitat, ethnobotany, and distribution.
- http://www.cwnp.org/photopgs/mdoc/mearvensis.html

Mentha javanica
- Photograph of the plant in flower.
- http://www.botany.hawaii.edu/faculty/carr/images/men_jav.jpg